QQuakeFacts
QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem913953
USGS iscgem913953

21 Nov 1915, 00:13

Baja California-Sonora Border Region, Mexico

A magnitude 6.6 mw earthquake at 10 km depth.

Depth10 kmPublished hypocentral depth
Tsunami flagNot flaggedUSGS catalog flag, not a current warning
Updated17 March 2026Latest timestamp stored in this record

Published location

Where is Baja California-Sonora Border Region, Mexico?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

31.932000, -114.945000

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Map data © OpenStreetMap contributors

What the numbers mean

Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.

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Nearby events with a similar magnitude

M 6.56

90 km WNW of Bahía de Kino, Mexico

M 6.6

Colorado River Delta area, Baja California, Mexico

M 6.52

120km ESE of Maneadero, B.C., MX

M 6.5

6 km S of Golfo de Santa Clara, Mexico

M 6.5

80 km SW of La Libertad, Mexico

M 6.43

129km SE of Maneadero, B.C., MX

Catalog fields and provenance
Event ID
iscgem913953
Coordinates
31.932, -114.945
Network
iscgem
Significance
664